.bottomtool {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 10;
}

.btm-pay-box {
    position: relative;
    z-index: 49;
}

.btm-pay-mark {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    background-color: rgba(0, 0, 0, 0.3);
}

.btm-pay {
    position: fixed;
    width: 100%;
    bottom: 0px;
    background-color: #fff;
}

.bottomsvg{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
}

.pay-items-box {}

.pay-item {}

.pay-sellect {}

.pay-cost {}